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5305-00-991-6541

Find complete technical information, availability, and procurement data for: 5305-00-991-6541

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5305-00-991-6541
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-991-6541
Item Name Code
06657
Assigment Date
03/28/1967 (59 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.250 inches maximum thread length, flat countersunk head style, right-hand thread direction, 0.219 inches minimum and 0.250 inches maximum fastener length, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.250 inches maximum
Fastener Length
0.219 inches minimum and 0.250 inches maximum
Head Style
flat countersunk
Head Diameter
0.282 inches minimum and 0.332 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
steel comp 8630
Screw Material Document And Classification
mil-s-6050 mil spec single material response or an-s-9 mil std single material response
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response
Thread Series Designator
unc

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Part Number Name
NAS514P832-4P Machine Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-991-6541?
The FSCG of the NSN 5305-00-991-6541 is 5305
Does the NSN 5305-00-991-6541 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-991-6541 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-00-991-6541 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-991-6541 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-00-991-6541 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Tue, Mar 28, 1967

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